Support frame for a positive pressure blower



FIG. 1 is a right rear perspective view of a support frame for a positive pressure blower showing our new design;

FIG. 2 is a left rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof; and

FIG. 6 is a right side elevational view thereof.

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a top plan view thereof; and,

FIG. 9 is a tilted rear elevational view thereof.

The broken lines shown in the figures are for the purpose of illustrating environment and form no part of the claimed design. 

CLAIM We claim the ornamental design for a support frame for a positive pressure blower, as shown and described. 